#include <stdio.h>
int main() {
int n, i, flag = 1;
printf("Enter a number: ");
scanf("%d", &n);
if (n < 2)
flag = 0;
for(i = 2; i * i <= n; ++i)
if(n % i == 0) {
flag = 0;
break;
}
if (flag)
printf("Prime\n");
else
printf("Not Prime\n");
return 0;
}
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